| Gharb to Opwijk | 1,143.42 mi (1,840.16 km) |
| Gharb to Ostend | 1,187.02 mi (1,910.33 km) |
| Gharb to Oud-Heverlee | 1,125.13 mi (1,810.72 km) |
| Gharb to Oud-Turnhout | 1,148.29 mi (1,848.00 km) |
| Gharb to Oudenaarde | 1,149.36 mi (1,849.72 km) |
| Gharb to Oudenburg | 1,182.68 mi (1,903.33 km) |
| Gharb to Oupeye | 1,097.87 mi (1,766.86 km) |
| Gharb to Overijse | 1,124.91 mi (1,810.36 km) |
| Gharb to Overpelt | 1,133.76 mi (1,824.61 km) |
| Gharb to Paal | 1,127.48 mi (1,814.50 km) |
| Gharb to Peer | 1,127.85 mi (1,815.10 km) |
| Gharb to Pepinster | 1,085.75 mi (1,747.34 km) |
| Gharb to Peruwelz | 1,130.14 mi (1,818.78 km) |
| Gharb to Perwez | 1,109.33 mi (1,785.30 km) |
| Gharb to Philippeville | 1,089.45 mi (1,753.31 km) |
